[ECOS] TAP device not created on running "ping_test"

Sergei Gavrikov sergei.gavrikov@gmail.com
Tue Jul 28 11:18:00 GMT 2009

On Tue, Jul 28, 2009 at 04:30:39PM +0530, Mandeep Sandhu wrote:
> On Tue, Jul 28, 2009 at 3:53 PM, Sergei
> Gavrikov<sergei.gavrikov@gmail.com> wrote:
> > On Tue, Jul 28, 2009 at 03:45:09PM +0530, Mandeep Sandhu wrote:
> >
> >> Whats this other address that the test uses???
> >
> > IMO, that bogus IP just to demo that the dest in unreachable. So, test
> > passed okay. I think you hit ^C too early in dhclient window :-)
> I actually waited for more than 2 mins before hitting ^C! :)

Ah, that was odd :-)

> The snip that i pasted in the mail was just a test run to get the o/p.
> Do you think I should still try and get dhcp to work over tap0?

That already works, if your synth eth0 was ethertap tap0. I saw in
test_ping output:

DHCP server id: 

it is from that example (/etc/netfork/interfacse)

my IP:

from my pool ( ...


and test pinged server (tap0) successfully. Now set all things
correctly (use more smart dhcpd.conf), use desired IP addresses for
tapN. etc.


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